package command;

public class Television
{
	public void open()
	{
		System.out.println("打开电视机！");
	}
	
	public void close()
	{
		System.out.println("关闭电视机！");		
	}
	
	public void changeChannel()
	{
		System.out.println("切换电视频道！");
	}
}